die-hard
[noun]
Synonyms: reactionary, fanatic, old fogey, stick-in-the-mud (informal)

[TahlilGaran] English Synonym Dictionary ▲

die-hard noun & adjective. ['dʌɪhɑ:d] Also diehard. M19.
[from die hard s.v. DIE verb¹.]
A. noun.
1. A person who resists to the last. M19.
the Die-hards slang (in the British army) the 4th Battalion The Queen's Regiment (orig. the 57th Regiment of Foot).

2. A resolute opponent of change; a very conservative person. E20.

3. A Scotch terrier. E20.
b. adjective. Resisting to the last; staunchly opposing change. L19.

■ die-hardism noun E20.

[TahlilGaran] English Dictionary ▲

die hard
if a habit, custom, or belief, dies hard, it takes a long time to change or end it.
After a successful 30-year career, he no longer has any need to work - but old habits die hard.
(usually in present tenses)
These ancient traditions die hard in the isolated communities of rural China.

[TahlilGaran] English Idioms Dictionary ▲

die-hard
die hard - if a habit, custom, or belief, dies hard, it takes a long time to change or end it.
Die-hard (= refusing to change) communists have regrouped to form the Communist Refoundation.
(always before noun)

[TahlilGaran] English Idioms Dictionary ▲